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The postseason for the Rock Creek Mustangs is about to look a lot different.

After enjoying the competitive advantage that comes from being one of the bigger Class 3A schools in the state for several years, Rock Creek will move to 4A and represent the smallest school in that division, excluding football for this year.

KSHSAA revealed its latest classifications Thursday morning with 33 schools making moves to different levels of competition — effective immediately.

Long considered the toughest division in Kansas high school sports because of the widest range in enrollment, staying competitive in 4A at the state level will be that much harder for the Mustangs this year.

To put it into perspective, Topeka Highland Park is moving down from 5A to 4A and now represents the largest 4A enrollment with 729 students (excluding freshmen). Rock Creek is now the smallest with 258. That’s more than two and a half times the enrollment, making Rock Creek’s chances of playing for a state title that much tougher.

Rock Creek joins Frontenac and Goodland as the only 3A schools to move up.

No other area schools were effected. Wamego remains in 4A with 451 students, while Valley Heights (99), Frankfort (62), Blue Valley (70) stay in 1A. Riley County (235) stays in 3A, and Manhattan (1,619) remains in 6A.